Laboratory 56: Digestive System -- Cat Dissection

Compare the locations of the major salivary glands of the human with those of the cat.

Both are relatively in the same place; anterior of the ear, superior of the opening of your throat and posterior/inferior to the jaw.

Compare the structure of the human liver with that of the cat

Cat: 5 lobes - right and left medial, right and left lateral, and caudate; Human: 4 lobes - right and left major caudate, right and left minor quadrate

Compare the structure and location of the human pancreas with those of the cat

Cat: located caudal to the stomach and accompanies duodenum tract as well as the caudal line of the stomach; Human: located posterior to the stomach and its head is next to the duodenum curve

What is the function of the transverse ridges (rugae) in the hard palate of the cat?

Hold food together

Compare the types and numbers of teeth present in the cat's upper and lower jaws with those in the cat.

Humans: Upper & Lower - 16 teeth, 4 incisors, 2 canine, 4 premolars, and 2 molars --- Cats: Upper - 18 teeth, 6 incisors, 2 canine, 8 premolars, and 2 molars; Lower - 16 teeth, 6 incisors, 2 canine, 4 premolars, and 2 molars.

In what ways do the cats teeth seem to be adapted to a special diet?

More incisors to cut through food sharply

Describe the inner lining of the stomach

Mucus layer of simple columnar epithelium with gastric glands

Describe how the peritoneum and mesenteries are associated with the organs in the abdominal cavity.

Peritoneum: serous membrane that lines the abdominal cavity and covers the organs; Mesenteries: fold in the peritoneum that attach the abdominal organs to the posterior wall of the abdomen

How do papillae in the surface of the human tongue compare with those of the cat?

The cats papillae are rougher than humans but both are used for sense of taste

What part of the human soft palate is lacking in the cat?

Uvula

What feature of the human cecum is lacking in the cat?

appendix